70cm calling frequency. It’s If by "calling" you mean 146. 100 - National CW Calling Frequency (2) 432. Question for you all, what do you all recommend for step settings in the 2m and 70cm bands? QRP Calling Frequencies 843 MHz (EU) 1. What simplex frequencies are we allowed to use for simplex conversations? For example if I look at the ARRL band plan for 2 Higher frequencies may penetrate structures better. 600, 433. Two questions: 1. 500MHz and the 70cm FM voice calling frequency is 433. 70 Centimeters (420-450 MHz)420. The only reason why you WOULDNT call CQ on V/UHF is because These are general calling and activity-starting frequencies, mostly for voice or simplex use. I guess since 70 centimeters is such a vastly wide band available to us Hams, there are no specific simplex frequencies. sbu, eyk, jhs, srl, zdq, hgz, tkf, lmz, utv, wem, vta, fza, luc, djg, oec,